Tire tread



FIG. 1 is a front perspective view of the tire tread showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a fragmentary enlarged view thereof; and,

FIG. 7 is a cross-sectional view thereof taken along line 7-7 in FIG. 6.

The dash-dash broken lines are used to show unclaimed environment, and thus form no part of the claimed design. The dash-dot-dash broken lines are used to show a boundary between claimed and unclaimed subject matter. 

CLAIM The ornamental design for a tire tread, as shown and described. 